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Error code reference

Samsung Refrigerator Error Code R-FAN ERROR

Fridge Room Fan Motor error

Samsung codesSamsung refrigerator codes

Fridge Room Fan Motor error — occurs when fan motor feed-back signal wire contact is defective, motor wire slipped out, or motor is defective.

First step from the service manual

Check voltage between MAIN PCB CN75-3(ORG) and CN75-1(GRY); should be within 6V–12V.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What R-FAN ERROR means on a Samsung refrigerator

The R-FAN ERROR on a Samsung refrigerator indicates a fault in the fridge compartment fan motor circuit. This fan is responsible for circulating cold air from the evaporator throughout the fresh food section. When the main PCB detects an abnormal or absent feedback signal from the fan motor, it logs this error and may reduce cooling performance or shut the fan down entirely to prevent further damage.

The error is triggered by one of three conditions: a defective feedback signal wire connection between the fan motor and the main PCB, a motor wiring harness that has slipped out of its connector, or a motor that has failed internally. The feedback signal wire is critical because it tells the control board that the fan is actually spinning. If that signal is missing or irregular, the board cannot confirm operation and flags the fault regardless of whether power is being delivered to the motor.

The primary diagnostic step is to measure DC voltage between pins CN75-3 (orange wire) and CN75-1 (gray wire) on the main PCB connector. A reading within the 6V to 12V range confirms the board is supplying appropriate power to the fan circuit. If voltage is present but the fan is not running and the error persists, the fault likely lies in the motor itself or the feedback signal wire. If voltage is absent or outside range, the main PCB or wiring harness leading to it may be at fault.

Source: manufacturer service documentation.

Common causes of R-FAN ERROR

  1. 01

    Disconnected or loose motor wiring harness

    Wiring / connection

    The fan motor wiring harness can vibrate loose from its connector over time. Inspect the connector at the motor and at the main PCB CN75 port for any pins that have backed out or connectors that are not fully seated.

  2. 02

    Defective feedback signal wire

    Wiring / connection

    The feedback wire carries the motor speed signal back to the PCB. If this wire is damaged, corroded, or has a broken conductor, the board will not receive confirmation that the fan is running. Inspect the wire for pinches, cuts, or corrosion at the terminals.

  3. 03

    Failed fridge room fan motor

    Part replacement

    If the motor has seized internally or its windings have failed, it will not spin and will not generate a feedback signal. If voltage is confirmed at CN75-3 to CN75-1 but the motor does not run, the motor itself needs replacement.

  4. 04

    Faulty main PCB

    Part replacement

    If wiring and the motor both test acceptable but voltage at CN75-3 and CN75-1 is outside the 6V to 12V range, the main PCB may not be supplying correct power or reading the feedback signal correctly. Board replacement would be required.

See the test procedure for each cause

Frequently asked questions about R-FAN ERROR

What does R-FAN ERROR mean on a Samsung refrigerator?
The R-FAN ERROR indicates a problem with the fridge compartment fan motor circuit. The main control board is not receiving a valid feedback signal from the fan motor, which can happen due to a loose or disconnected wiring harness, a damaged feedback signal wire, or a motor that has failed. The refrigerator may not cool properly while this error is active.
Can I fix the R-FAN ERROR myself without calling a technician?
Some causes of this error are DIY-accessible. Start by unplugging the refrigerator and inspecting the fan motor wiring harness for any connectors that are loose or unplugged. If the harness is secure and the wiring looks intact, further diagnosis requires a multimeter to check voltage at the main PCB connector CN75, which is a step better suited to technicians comfortable working with live appliance circuits.
Is it safe to keep using my refrigerator while the R-FAN ERROR is displayed?
Continuing to run the refrigerator with this error active is not advisable for extended periods. Without the fridge room fan circulating air, the fresh food compartment will not maintain proper temperatures, which creates a food safety risk. It is best to address the fault promptly or transfer perishables to another unit until repairs are complete.
Will resetting my Samsung refrigerator clear the R-FAN ERROR?
A power reset may temporarily clear the error display, but if the underlying fault is still present, the error will return once the control board runs its diagnostic cycle again. A reset is useful for confirming whether the fault is intermittent, but it does not repair a defective motor, broken wire, or loose connector.
How much does it cost to repair the R-FAN ERROR on a Samsung refrigerator?
Repair costs depend on the root cause. If the fix is simply reseating a disconnected connector, there may be no parts cost at all. A replacement fridge compartment fan motor typically costs between $30 and $80 for the part, while a main PCB replacement can range from $150 to $350 or more. Adding professional labor, total repair costs generally fall between $100 and $500 depending on the component involved and your location.

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